Collection:
JDCM Education
Object ID:
EDU.0223
Accession#:
EDU
Credit Line:
Donated by multiple sources.
Object Name:
Bit
Year Range from:
1950
Year Range to:
2000
Description:
Carbide Tipped Drill Bit. Cylindrical, hollow, exterior painted gold. The shaft has a model/serial number ("120 02987—25RTP51R08" "MITSUBISHI MATERIALS). Beads on end are carbide. Two holes are so that water is pumped through them to keep dust down. Use for split set bolting of swell—ex style rock bolts.
Subjects:
Mining equipment
Mining
Drills (Equipment)
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Carbide Tipped Drill BitCarbide Tipped Drill Bit